214
12 FILE CONTROL
12.4 File Check
Communication example (files for MELSEC-Q/L series)
Read directory/file information under the following conditions.
• Drive No.: 0
• Head file No.: 1
• Number of requested files: 3
■Data communication in ASCII code
(Request data)
(Response data)
■Data communication in binary code
(Request data)
(Response data)
1810
31
H
38
H
31
H
30
H
0000
30
H
30
H
30
H
30
H
0000
30
H
30
H
30
H
30
H
0000
30
H
30
H
30
H
30
H
0001
30
H
30
H
30
H
31
H
0003
30
H
30
H
30
H
33
H
0000
30
H
30
H
30
H
30
H
Head file
No.
Directory specification
(Fixed values)
Subcommand (Fixed value) Drive No.
Number of
file requests
0003
30
H
30
H
30
H
33
H
0001
30
H
30
H
30
H
A65
41
H
36
H
35
H
D
44
H
3C8
33
H
43
H
38
H
1
31
H
000
30
H
30
H
30
H
004
30
H
30
H
34
H
00
30
H
30
H
31
H
ABCD
41
H
42
H
43
H
44
H
EFGH
45
H
46
H
47
H
48
H
QPG
51
H
50
H
47
H
Number of file information
Directory/
file information 1
Directory/
file information 2
Directory/
file information 3
File name Extension Attribute Spare data
Last edit time Last edit date Spare data File size
"20 h 58 m 58 s" "April 1, 2010"
1k byte
Last edit date and time
(18 bytes)
10
H
18
H
00
H
00
H
00
H
00
H
01
H
00
H
03
H
00
H
30
H
30
H
30
H
30
H
00
H
00
H
Head
file
No.
Subcommand
Drive
No.
Number of
file requests
Directory specification
(Fixed values)
(Fixed value)
03
H
00
H
ABCD
41
H
42
H
43
H
44
H
EFGH
45
H
46
H
47
H
5D
H
A6
H
81
H
3C
H
00
H
04
H
00
H
00
H
48
H
QPG
51
H
50
H
47
H
01
H
00
H
Number of file information
Directory/
file information 1
Directory/
file information 2
Directory/
file information 3
Last edit
time
Last edit
dateFile name Extension Attribute Spare data Spare data File size
"20 h 58 m 58 s" "April 1, 2010"
1k byte
File
Last edit date and time
(9 bytes)